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* bug#71893: 27.1; Gnus pop3 download progress goes over 100%
@ 2024-07-01 22:27 Daniel Bastos
  2024-07-02 22:50 ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
  0 siblings, 1 reply; 11+ messages in thread
From: Daniel Bastos @ 2024-07-01 22:27 UTC (permalink / raw)
  To: 71893


After seeing Gnus download mail from a POP3 server various times and the
progress report going over 100%, I decided to look into it and edited
the source so I'd get better logging of the fact.  It doesn't happen at
all times.  It's less than 50% of the times, say.  But it's frequent
enough to make it easy to see it at work, though I haven't spotted what
exactly makes the problem happen.

Here's one instance.

Checking new news...
Reading active file via nnml...
Reading incoming mail from pop...
size 0, total-size 80988
pop3 retrieved 0KB (0%)
size 237, total-size 80988
pop3 retrieved 0KB (0%)
size 751, total-size 80988
pop3 retrieved 0KB (0%)
size 1777, total-size 80988
[...]
pop3 retrieved 80KB (99%)
size 81659, total-size 80988
pop3 retrieved 81KB (100%)
size 81865, total-size 80988
pop3 retrieved 81KB (101%)
size 83255, total-size 80988
pop3 retrieved 83KB (102%)
size 84645, total-size 80988
[...]
size 511138, total-size 80988
pop3 retrieved 511KB (631%)
Wrote c:/sys/emacs/usr/Mail/mail/misc/1799
Wrote c:/sys/emacs/usr/Mail/mail/misc/1800
Wrote c:/sys/emacs/usr/Mail/mail/misc/1801
Wrote c:/sys/emacs/usr/Mail/mail/misc/1802
Wrote c:/sys/emacs/usr/Mail/mail/misc/1803
Wrote c:/sys/emacs/usr/Mail/mail/misc/1804
Wrote c:/sys/emacs/usr/Mail/mail/misc/1805
Wrote c:/sys/emacs/usr/Mail/mail/misc/1806
nnml: Reading incoming mail (8 new)...done
--8<-------------------------------------------------------->8---

Here's the size on disk of each message downaloded:

--8<-------------------------------------------------------->8---
%ls -l | awk '$8 >= 1799 && $8 <= 1806 { total += $5; print; } \
  END { print(total) }'
-rw-rw-rw-   1 x              None       446971 2024-05-21 17:43 1799
-rw-rw-rw-   1 x              None         8441 2024-05-21 17:43 1800
-rw-rw-rw-   1 x              None        16925 2024-05-21 17:43 1801
-rw-rw-rw-   1 x              None        20494 2024-05-21 17:43 1802
-rw-rw-rw-   1 x              None         6513 2024-05-21 17:43 1803
-rw-rw-rw-   1 x              None         5688 2024-05-21 17:43 1804
-rw-rw-rw-   1 x              None         2925 2024-05-21 17:43 1805
-rw-rw-rw-   1 x              None         4781 2024-05-21 17:43 1806
512738
--8<-------------------------------------------------------->8---

The total-size calculated by Gnus was 80988.  Where did that number come
from?  It seems to come from straight from the POP3 server, which in
this case it's the Gmail POP3 server.  I managed to get a POP3 list
before downloading, here's what I find.

--8<-------------------------------------------------------->8---
+OK Gpop ready for requests from 34.197.192.71 o12mb164492058vst
+OK send PASS
+OK Welcome.
+OK 8 messages (80988 bytes)
1 20295
2 4583
3 20295
4 20295
5 2725
6 5487
7 2725
8 4583
.
+OK Farewell.
--8<-------------------------------------------------------->8---

(You don't see my input in the POP3 session above.  You only see the
output from the POP3 server.  My input is authentication plus a LIST
command.)

I collected other instances of the problem as well, but they all seem to
have the same in common---the POP3 server seems to announce a total size
that doesn't match the fact (after downloading each message).

In other words, this doesn't look like a Gnus problem at all.  I'm
reporting to this, however, because I'm a little bit curious as to is
the problem exactly.  (You might easily know what explains this.)

It's very odd to me in the session above, we find 3 messages with
exactly the same size of 20295.  There are two with 4583 bytes and there
are two with 2725 bytes.  I'm not getting any repeated messages at all.

I would appreciate any analysis you might provide on this.  Thank you.


In GNU Emacs 27.1 (build 1, x86_64-w64-mingw32)
 of 2020-08-21 built on CIRROCUMULUS
Repository revision: 86d8d76aa36037184db0b2897c434cdaab1a9ae8
Repository branch: HEAD
Windowing system distributor 'Microsoft Corp.', version 10.0.19045
System Description: Microsoft Windows 10 Pro N (v10.0.2009.19045.4291)

Configured using:
 'configure --without-dbus --host=x86_64-w64-mingw32
 --without-compress-install 'CFLAGS=-O2 -static''

Configured features:
XPM JPEG TIFF GIF PNG RSVG SOUND NOTIFY W32NOTIFY ACL GNUTLS LIBXML2
HARFBUZZ ZLIB TOOLKIT_SCROLL_BARS MODULES THREADS JSON PDUMPER LCMS2 GMP

Important settings:
  value of $LC_ALL: C
  value of $LANG: ENU
  locale-coding-system: cp1252

Major mode: Article

Minor modes in effect:
  electric-pair-mode: t
  show-paren-mode: t
  recentf-mode: t
  save-place-mode: t
  winner-mode: t
  display-time-mode: t
  shell-dirtrack-mode: t
  global-eldoc-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
c:/sys/emacs/usr/.emacs.d/elpa/slime-20231228.1755/slime hides c:/sys/emacs/usr/quicklisp/dists/quicklisp/software/slime-v2.28/slime
c:/sys/emacs/usr/.emacs.d/elpa/slime-20231228.1755/slime-tests hides c:/sys/emacs/usr/quicklisp/dists/quicklisp/software/slime-v2.28/slime-tests
c:/sys/emacs/usr/.emacs.d/elpa/slime-20231228.1755/slime-autoloads hides c:/sys/emacs/usr/quicklisp/dists/quicklisp/software/slime-v2.28/slime-autoloads
c:/sys/emacs/usr/.emacs.d/elpa/pos-tip-20191227.1356/pos-tip hides c:/sys/emacs/share/emacs/site-lisp/my-pos-tip/pos-tip
c:/sys/emacs/usr/.emacs.d/elpa/pos-tip-20191227.1356/pos-tip-pkg hides c:/sys/emacs/share/emacs/site-lisp/my-pos-tip/pos-tip-pkg
c:/sys/emacs/usr/.emacs.d/elpa/pos-tip-20191227.1356/pos-tip-autoloads hides c:/sys/emacs/share/emacs/site-lisp/my-pos-tip/pos-tip-autoloads
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-xp hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-xp
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-xp-complete hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-xp-complete
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-wsl hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-wsl
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c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-unicode-input-method hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-unicode-input-method
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-stepper hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-stepper
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-smart-open hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-smart-open
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-show hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-show
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-repl hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-repl
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-repl-buffer-name hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-repl-buffer-name
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-profile hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-profile
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-ppss hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-ppss
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-parens hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-parens
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-mode hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-mode
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-logger hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-logger
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-keywords-and-builtins hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-keywords-and-builtins
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-indent hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-indent
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-imenu hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-imenu
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-font-lock hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-font-lock
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-eldoc hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-eldoc
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-edit hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-edit
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-doc hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-doc
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-describe hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-describe
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-debug hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-debug
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-custom hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-custom
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-complete hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-complete
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-common hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-common
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-collection hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-collection
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-cmd hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-cmd
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-bug-report hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-bug-report
c:/sys/emacs/usr/.emacs.d/elpa/racket-mode-20231224.2126/racket-browse-url hides c:/sys/emacs/share/emacs/site-lisp/my-racket-mode/racket-browse-url
c:/sys/emacs/usr/.emacs.d/elpa/seq-2.23/seq hides c:/sys/emacs/share/emacs/27.1/lisp/emacs-lisp/seq

Features:
(shadow emacsbug org-element avl-tree ol-eww ol-rmail ol-mhe ol-irc
ol-info ol-gnus ol-docview doc-view image-mode exif ol-bibtex bibtex
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org-keys org-compat org-macs org-loaddefs cal-menu calendar cal-loaddefs
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sb-image ezimage dframe ibuf-ext ibuffer ibuffer-loaddefs macrostep-c
cmacexp cc-mode cc-fonts cc-guess cc-menus cc-cmds cc-styles cc-align
cc-engine asm-mode pcmpl-unix canlock gnus-draft jka-compr em-unix
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cc-vars cc-defs make-regexp ess-sp6w-d ess-sp3-d ess-julia julia-mode
ert pp ewoc debug backtrace help-mode find-func ess-r-d ess-r-syntax
ess-r-completion ess-tracebug format-spec ess-roxy advice hideshow
ess-help ess-developer ess-s-l ess ess-inf compile comint ansi-color
ring ess-mode ess-noweb-mode ess-utils cl cl-loaddefs cl-lib ess-custom
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emacs)

Memory information:
((conses 16 993168 152026)
 (symbols 48 46017 1)
 (strings 32 250528 17715)
 (string-bytes 1 6645953)
 (vectors 16 96624)
 (vector-slots 8 4132847 166420)
 (floats 8 938 892)
 (intervals 56 23645 900)
 (buffers 1000 246))






^ permalink raw reply	[flat|nested] 11+ messages in thread
end of thread, other threads:[~2024-09-28 15:55 UTC | newest]

Thread overview: 11+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2024-07-01 22:27 bug#71893: 27.1; Gnus pop3 download progress goes over 100% Daniel Bastos
2024-07-02 22:50 ` Jeremy Bryant via Bug reports for GNU Emacs, the Swiss army knife of text editors
2024-07-20 10:07   ` Eli Zaretskii
2024-08-04  7:54     ` Eli Zaretskii
2024-08-12 12:54       ` Daniel Bastos
2024-08-31  7:53         ` Eli Zaretskii
2024-09-09 23:29           ` Daniel Bastos
2024-09-19 19:13             ` Daniel Bastos
2024-09-28  9:19               ` Eli Zaretskii
2024-09-28 15:48                 ` Daniel Bastos
2024-09-28 15:55                   ` Eli Zaretskii

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